28928149536 has 288 divisors, whose sum is σ = 93807262080. Its totient is φ = 7739043840.

The previous prime is 28928149517. The next prime is 28928149567. The reversal of 28928149536 is 63594182982.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3469020 + ... + 3477348.

It is an arithmetic number, because the mean of its divisors is an integer number (325719660).

Almost surely, 2^28928149536 is an apocalyptic number.

28928149536 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28928149536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46903631040).

28928149536 is an abundant number, since it is smaller than the sum of its proper divisors (64879112544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28928149536 is a wasteful number, since it uses less digits than its factorization.

28928149536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8400 (or 8381 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 57.

The spelling of 28928149536 in words is "twenty-eight billion, nine hundred twenty-eight million, one hundred forty-nine thousand, five hundred thirty-six".